Universal Licensing System
421MM
TK Aviation, Inc. Tom Mutschler, President
License details
| ULS identifier | 3083424 |
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| Call sign | 421MM |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2009-03-05 |
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| Expiration | 2019-03-05 |
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| Cancellation | 2019-05-11 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:06 |
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Licensee
| Name | TK Aviation, Inc. Tom Mutschler, President |
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| Applicant type | C |
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| FRN | 0018567248 |
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| Location | Pittsburgh, PA |
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| Address | 280 Coleen Drive, Pittsburgh, PA, 15236 |
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License history
| Date | File or call sign | Action |
|---|
| 2019-05-11 | 421MM | LIEXP |
| 2018-12-10 | 421MM | LETRES |
| 2009-03-05 | 421MM | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3083424 | 2026-08-02 01:40:06 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 421MM | ULS 3083424 | 2026-08-02 01:40:06 |
| Status | E | ULS 3083424 | 2026-08-02 01:40:06 |
| Service | AC | ULS 3083424 | 2026-08-02 01:40:06 |
| Grant Date | 2009-03-05 | ULS 3083424 | 2026-08-02 01:40:06 |
| Expiration Date | 2019-03-05 | ULS 3083424 | 2026-08-02 01:40:06 |
| Cancellation Date | 2019-05-11 | ULS 3083424 | 2026-08-02 01:40:06 |